A comparative study of PI, fuzzy‐PI, and sliding mode control strategy for battery bank SOC control in a standalone hybrid renewable system

Allahvirdizadeh, Yousef; Shayanfar, Heidarali; Moghaddam, Mohsen Parsa

doi:10.1002/2050-7038.12181

Cited by 13 publications

(7 citation statements)

References 52 publications

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“…In addition, it achieves a fast response and minimises steady-state error. Many methods of hybrid control are proposed in [193,197,198] and the literature ref [232][233][234][235][236].…”

Section: Hybrid Controlmentioning

confidence: 99%

Voltage Lifting Techniques for Non-isolated DC/DC Converters

Al-Khaldi¹,

Elkhateb²,

Laverty³

2023

Preprint

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This paper presents a comprehensive review that highlights the characteristics of non-isolated step-up converters based on high boost voltage lifting techniques. The paper categorises the high boost techniques: multistage/multilevel, switched capacitor, voltage multiplier, voltage lift, switched inductor, and magnetic coupling. The paper also discusses in detail the advantages and disadvantages for each category such as cost, complexity, power density, reliability and efficiency. The number of passive and active components, voltage gain, voltage stress, switching frequency, efficiency and power rating are also compared. Although the paper considers coupling inductors in the context of the non-isolated converter, the focus of the entire article is on the non-isolated high voltage step-up techniques. The key contribution in this paper is the review of high boosting techniques rather than the DC /DC converters. This allows divergence of new ideas and new power converters that will help provide highly efficient and flexible power converters for several applications where the sending end voltage is very low as photovoltaic systems. In addition, many applications and control techniques of DC/DC converters are summarised in this paper.

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“…In addition, it achieves a fast response and minimises steady-state error. Many methods of hybrid control are proposed in [193,197,198] and the literature ref [232][233][234][235][236].…”

Section: Hybrid Controlmentioning

confidence: 99%

Voltage Lifting Techniques for Non-isolated DC/DC Converters

Al-Khaldi¹,

Elkhateb²,

Laverty³

2023

Preprint

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“…The major advantage of such integration is the robust and quick decision making by fuzzy logic along with the enhanced tuning via the PID controller. The input to the system usually includes various components of system error 87,88 . Figure 11 presents the fuzzy/PID‐based hybrid controller employed for the smooth operation of the system.…”

Section: Microgrid: Issues and Controllermentioning

confidence: 99%

A comprehensive review on control techniques for stability improvement in microgrids

Mehta

Basak

2021

Int Trans Electr Energ Syst

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In recent times, with the increase in the penetration of various renewable energy sources (RESs) into power systems, the complications related to the stability issues have increased. The main contribution of this paper is an in‐depth analysis of research in microgrid based on small‐signal, transient, and voltage stability. The small‐signal stability has been discussed based on uncertain load, limitation in power generation capacity, and nature of sluggish feedback observed in few microgrid systems. Instability caused by a transient phenomenon in microgrid has been thoroughly analyzed for losses in distributed energy resources (DERs), islanding and transition modes of operation, load shedding, and faults causing instability. The voltage fluctuations are duly considered in the perspective of load shedding, type of loads, power unbalancing, and different types of faults in microgrid systems. The existing controllers have been compared based on steady‐state error, response time, and robustness etc. The voltage, frequency, and active/reactive power control are analyzed based on centralized, decentralized, hierarchal/distributed control schemes aiming stabilization of microgrid systems. Finally, stability improvement features have been explored in detail, finding the implementation of microgrid stabilizers, energy storage devices, FACTS devices, load balancing, resource forecasting including the adaptive controller. Hence, the uniqueness of this paper can be considered as a state‐of‐the‐art review of the abovementioned stability components in the microgrid system which is not available in the published literature with a similar amount of vastness.

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“…The generation of solar energy varies with the incident light. So a proportional integrator (PI) 41 based controller is used to deliver 100 V output with a duty ratio varying from 0.2 to 0.8. The output voltage is compared with reference voltage, and the error is multiplied with the gain.…”

Section: Integration Of Solar Energymentioning

confidence: 99%

Design of novel universal converter for integration of solar and wind energy for AC and DC load

Kumar

Tatabhatla

Agarwal

2021

Circuit Theory & Apps

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Power generation through renewable sources using a multistage power conversion process was plagued with efficiency and reliability issues. It led to the evolvement of a novel universal converter for the simultaneous interfacing of solar and wind energy. Solar energy is extracted using a multiphase boost converter, while a 2n converter with a switch reluctance generator has been used for wind energy extraction. In this paper, a novel universal converter is used to integrate both solar and wind energies, which will reduce multiple stages of the power conversion process. This converter generates an output voltage of the sino‐square waveform, which is a combination of a sinusoidal and square waveform. Enhanced efficiency and competency of this sino‐square waveform in domestic and industrial applications have been validated with a systematic comparison with conventional square waveform. These two waveforms have been compared based on various harmonics generation, total harmonic distortion (THD), and switching losses. The proposed topology has been validated with an experimental setup using a PV emulator for solar energy. Wind energy has been implemented using an induction motor with switch reluctance generator.

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A comparative study of PI, fuzzy‐PI, and sliding mode control strategy for battery bank SOC control in a standalone hybrid renewable system

Cited by 13 publications

References 52 publications

Voltage Lifting Techniques for Non-isolated DC/DC Converters

Voltage Lifting Techniques for Non-isolated DC/DC Converters

A comprehensive review on control techniques for stability improvement in microgrids

Design of novel universal converter for integration of solar and wind energy for AC and DC load

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